package com.qk.mapper;

import com.qk.entity.Course;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface CourseMapper {
    List<Course> selectList(String name, Integer subject, Integer target);

    @Delete("delete from course where id = #{id}")
    void deleteById(Integer id);


    @Insert("insert into course(subject, name, price, target, description) " +
            "values (#{subject}, #{name}, #{price}, #{target}, #{description})")
    void addCourse(Course course);

    @Select("select id, subject, name, price, target, description, create_time, update_time from course where id = #{id}")
    Course getById(Integer id);

    @Update("update course set subject = #{subject}, name = #{name}, price = #{price}, " +
            "target = #{target}, description = #{description}, update_time = #{updateTime} where id = #{id}")
    void update(Course course);


    @Select("select id, subject, name, price, target, description, create_time, update_time from course")
    List<Course> All();

    @Select("select id, subject, name, price, target, description, create_time, update_time from course where subject = #{subject}")
    List<Course> setBySub(Integer subject);
}
